Malicious PDF — malware analysis report

Static analysis result for SHA-256 86823a560d8709ed…

MALICIOUS

PDF

42.0 KB Authoring application: Soda PDF
MD5: 442b7b6ca757446330adc7796fee2974 SHA-1: 5956665a99932f9c77ad391561da70541134147b SHA-256: 86823a560d8709eda5dfe9d4b53b641d83c76f4e051581cd6eadcb699787def9
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV heuristic also flags this as Pdf.Phishing.TtraffRobotInstall, indicating a phishing or traffic redirection purpose. The document body is heavily obfuscated and unreadable, providing no further context on the specific lure.

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://techlinkat.com/uploads/1/3/0/5/130588948/gunanebenil.pdf
    • http://mta-sts.recorderstands.com/uploads/1/3/0/2/130273626/b77d834b822cc54.pdf
    • http://administratormaill.com/uploads/1/3/0/4/130475938/c8ddf7e1e7f28.pdf
    • http://2030portal.com/uploads/1/3/0/6/130620547/kaguso_sopugipamirat_rolevivadu_xorapus.pdf
    • http://antiguarentalhouse.com/uploads/1/3/0/6/130620919/wuxopu_farowonamive_niraxezirojezu_budidejexeje.pdf
    • http://buckfiftyandhammer.com/uploads/1/3/0/3/130313376/5a4255d8e6.pdf
    • http://monsoonal.com/uploads/1/3/0/8/130813601/1164047.pdf
    • http://sjhdesignwerks.com/uploads/1/3/0/4/130483368/093fc.pdf
    • http://nfmmchealthhome.com/uploads/1/3/0/5/130590663/jagugefotaweka.pdf
    • http://drrichardarcher.com/uploads/1/3/0/7/130738572/zimupulowol.pdf
    • http://akemi-beautytreatments.com/uploads/1/3/0/6/130639516/navaguvu_wanez_wetububitisejaj.pdf
    • http://ns2.mhssca.org/uploads/1/3/0/3/130379069/tepimamewofusuvanov.pdf
    • http://elisamurphyforjudge.com/uploads/1/3/0/7/130740458/5469564.pdf
    • http://privateequityaccountingjobs.com/uploads/1/3/0/5/130589099/603450.pdf
    • http://www.cbtcounsellingpsychotherapy.com/uploads/1/3/0/5/130588191/300502.pdf
    • http://yardgoatband.com/uploads/1/3/0/7/130775118/e5076d6178.pdf
    • http://adsl-63-204-18-50.benefitplans.org/uploads/1/3/0/5/130551615/130551615.html#uptet+junior+science+notes+in+hindi+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000047f0.bin
225b18601ab7058238ba823a7e97a54f7b723484e34ec7f8de9c85764f440f22		 pdf-font-stream PDF embedded font (sfnt) at offset 0x47F0 8068 bytes

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